Search a number
-
+
68697454 = 2716729383
BaseRepresentation
bin1000001100000…
…11110101101110
311210021012012011
410012003311232
5120041304304
610452231434
71462630060
oct406036556
9153235164
1068697454
1135861461
121b00b57a
13113039a7
1491a3730
15606ec04
hex4183d6e

68697454 has 16 divisors (see below), whose sum is σ = 118476288. Its totient is φ = 29264472.

The previous prime is 68697439. The next prime is 68697469. The reversal of 68697454 is 45479686.

It is an interprime number because it is at equal distance from previous prime (68697439) and next prime (68697469).

It is a junction number, because it is equal to n+sod(n) for n = 68697398 and 68697407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12354 + ... + 17029.

It is an arithmetic number, because the mean of its divisors is an integer number (7404768).

Almost surely, 268697454 is an apocalyptic number.

68697454 is a deficient number, since it is larger than the sum of its proper divisors (49778834).

68697454 is a wasteful number, since it uses less digits than its factorization.

68697454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29559.

The product of its digits is 1451520, while the sum is 49.

The square root of 68697454 is about 8288.3927271818. The cubic root of 68697454 is about 409.5562400798.

The spelling of 68697454 in words is "sixty-eight million, six hundred ninety-seven thousand, four hundred fifty-four".

Divisors: 1 2 7 14 167 334 1169 2338 29383 58766 205681 411362 4906961 9813922 34348727 68697454